What’s Vulnerable › Vulnerabilities

CVE-2026-5679: Totolink A3300R cstecgi.cgi vsetTr069Cfg os command injection

• Severity: medium (CVSS 5.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.9% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-04-06 · updated 2026-07-24
• Weakness: CWE-77

Description

A security vulnerability has been detected in Totolink A3300R 17.0.0cu.557_B20221024. The impacted element is the function vsetTr069Cfg of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument stun_pass leads to os command injection. The exploit has been disclosed publicly and may be used.

Affected products

• Totolink A3300R: 17.0.0cu.557_B20221024

References

• https://github.com/Svigo-o/TOTOLINK-Vul/tree/main/totolink-a3300r-stun-pass-cmd-injection
• https://vuldb.com/submit/792650
• https://vuldb.com/submit/792798
• https://vuldb.com/vuln/355506
• https://vuldb.com/vuln/355506/cti
• https://www.totolink.net/

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